diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index f68265562..a04d0b4c7 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2006-04-24  Corinna Vinschen  <corinna@vinschen.de>
+
+	* select.cc (thread_pipe): Raise sleep time only every 8th iteration.
+	(thread_mailslot): Ditto.
+
 2006-04-23  Corinna Vinschen  <corinna@vinschen.de>
 	    Christopher Faylor  <cgf@timesys.com>
 
diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc
index 970e529f6..9443ef28a 100644
--- a/winsup/cygwin/select.cc
+++ b/winsup/cygwin/select.cc
@@ -646,8 +646,8 @@ thread_pipe (void *arg)
 	}
       if (gotone)
 	break;
-      Sleep (sleep_time >> 1);
-      if (sleep_time < 20)
+      Sleep (sleep_time >> 3);
+      if (sleep_time < 80)
         ++sleep_time;
     }
 out:
@@ -1661,8 +1661,8 @@ thread_mailslot (void *arg)
 	}
       if (gotone)
 	break;
-      Sleep (sleep_time >> 1);
-      if (sleep_time < 20)
+      Sleep (sleep_time >> 3);
+      if (sleep_time < 80)
         ++sleep_time;
     }
 out: